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go-autocomplete-trie is a data structure for text auto completion that allows for fuzzy matching and configurable levenshtein distance limits

License: MIT License

Go 100.00%

trie autocompletion fuzzy-search fuzzy-matching fuzzywuzzy fuzzy levenshtein levenshtein-distance string-matching golang

go-autocomplete-trie's Introduction

Go-Autocomplete-Trie

An autocompl... library for Go by Vivino.

What Is it

Go-Autocomplete-Trie is a simple, configurable autocompletion library for Go. Simply build a dictionary with a slice of strings, optionally configure, and then search.

How to Use

Make a default Trie like so:

t := trie.New()

The default Trie has fuzzy search enabled, string normalisation enabled, a default levenshtein scheme and is case insensitive by default.

Next, just add some strings to the dictionary.

t.Insert("Monday", "Tuesday", "Wednesday", "Thursday", "Friday", "Saturday", "Sunday")

Next, search.

t.SearchAll("wdn")

-> []string{"Wednesday"}

Levenshtein is enabled by default.

t.SearchAll("urs")

-> []string{"Thursday", "Tuesday"}

To turn off the features...

t.WithoutLevenshtein().WithoutNormalisation().WithoutFuzzy().CaseSensitive()

Now...

t.SearchAll("urs")

-> []string{}

t.SearchAll("Thu")

-> []string{"Thursday"}

go-autocomplete-trie's People

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frutik sirgrandmasterr moongj ebiiim rulezkt aethedigm

go-autocomplete-trie's Issues

Order of insertion of words with identical wordstem changes result set.

Hi,
while using this package to include a little form of an elasticsearch-like prefix-suggester, I've noticed that some words would be omitted in the results in some cases. A specific example:
"suspenseful" and "suspense".

I've created two testcases using only those two words that should, as far as I understand it, yield the same expected result.
For some reason, one of those tests will return the expected two strings that were inserted, but the other will only return the longer one.
Is this intended behavior?
{ name: "Word order small => big", dict: []string{"suspense", "suspenseful"}, trie: New(), search: "susp", expected: []string{ "suspense", "suspenseful", }, }, { name: "Word order big => small", dict: []string{"suspenseful", "suspense"}, trie: New(), search: "susp", expected: []string{ "suspense", "suspenseful", }, },

Best Regards,
Phillip

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